Exposure
- ID
- GRAVI.2024-02-25T02:27:56.449_1
- Header ID
- GRAVI.2024-02-25T02:27:56.449
- Date updated
- 2024-02-25 02:45:27 UTC+0000
- Release date
- 2025-02-25 02:45:27 UTC+0000
- UTC Start
- 2024-02-25 02:27:56.449
- UTC End
- 2024-02-25 02:33:56.449
- MJD Start
- 60365.10273668
- MJD End
- 60365.1069033467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0095585
- Ambient temperature (°C)
- 17.03
- Seeing (arcsec)
- 0.7
Observation
- ID
- 58517
- Category
- science
- Program ID
- 112.2622.001
- Program Title
- TEMPORAL MONITORING OF TW HYA'S MAGNETOSPHERE WITH GRAVITY
- Program Type
- Normal
- PI / COI
- SOULAIN/ ROUSSELET-PERRAUT/ BOUVIER/ BENISTY/ TESSORE/ PANTOLMOS/ DOUGADOS/ ALECIAN/ BERGER/ DONATI/ LABADIE
Target
- ID
- 43318
- Name
- TW_Hya
- RA
- 165.468305
- DEC
- -34.70476
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5590 | 56.5590 | 2.8000 | 3.7000 |
| U1-U3 | 102.1390 | 102.1640 | 7.7000 | 8.7000 |
| U1-U4 | 121.1920 | 121.7410 | 30.5590 | 31.8870 |
| U2-U3 | 46.0380 | 46.0790 | 13.7000 | 14.8000 |
| U2-U4 | 75.8850 | 76.7110 | 50.8920 | 52.2840 |
| U3-U4 | 48.1170 | 49.0030 | 86.2740 | 87.2340 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.2622.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60365.10273668 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | V TW Hya |
| HIERARCH ESO INS SOBJ NAME | TW_Hya |
| RA | 165.468305 |
| DEC | -34.70476 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 377.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.559 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 2.8 |
| HIERARCH ESO ISS PBLA12 END | 3.7 |
| HIERARCH ESO ISS PBL13 START | 102.139 |
| HIERARCH ESO ISS PBL13 END | 102.164 |
| HIERARCH ESO ISS PBLA13 START | 7.7 |
| HIERARCH ESO ISS PBLA13 END | 8.7 |
| HIERARCH ESO ISS PBL14 START | 121.192 |
| HIERARCH ESO ISS PBL14 END | 121.741 |
| HIERARCH ESO ISS PBLA14 START | 30.559 |
| HIERARCH ESO ISS PBLA14 END | 31.887 |
| HIERARCH ESO ISS PBL23 START | 46.038 |
| HIERARCH ESO ISS PBL23 END | 46.079 |
| HIERARCH ESO ISS PBLA23 START | 13.7 |
| HIERARCH ESO ISS PBLA23 END | 14.8 |
| HIERARCH ESO ISS PBL24 START | 75.885 |
| HIERARCH ESO ISS PBL24 END | 76.711 |
| HIERARCH ESO ISS PBLA24 START | 50.892 |
| HIERARCH ESO ISS PBLA24 END | 52.284 |
| HIERARCH ESO ISS PBL34 START | 48.117 |
| HIERARCH ESO ISS PBL34 END | 49.003 |
| HIERARCH ESO ISS PBLA34 START | 86.274 |
| HIERARCH ESO ISS PBLA34 END | 87.234 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008838 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010279 |
| HIERARCH ESO ISS AMBI TEMP | 17.03 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |